that is a little bit of a different story about what we knew about tamerlan tsarnaev's travels or not. was he on a watch list? wasn't he not? by her saying that, she's implying he was on a watch list. >> so, it would appear. i think it's fair to say that the, we don't know the answer to that because we're getting different answers from the intelligence community about whether he was ever put on a watch list. i guess there's two ways to look at this. the individual specifics about precisely how this was handled, but if you step back, there's a larger question here. that is when a foreign government gives us potentially derogatory information about someone, stop right there. should that create an entry for that person in the system? then keep going down the process. here, the fbi says they looked thoroughly at him, as much as they were allowed to do during this legal operation they're going in in this initial threat assessment. they find nothing. should that keep the listing, the watch listing active? or should it go away? these are and then if that person then flies to the country that